a dyke, typically young, who physically and in style of dress resembles a teenage boy. an attractive teenage boy. andi dykes are never ugly. if they look like an ugly teenage boy, they no longer qualify as an andi dyke. thats just an ugly dyke.

straight person: "look at that boy, he just went into the girls bathroom!"
queer: "no honey, that's just an andi dyke. look, you can see tiny boobs!"